Coś starego jest znowu nowe.pdf

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Something Old
Is New Again
Merike Kaeo
www.doubleshotsecurity.com
PLNOG - October 21, 2010 - Krakow, Poland
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Internet Evolution
• Networking Stuff [data link and network layer]
– Bridging vs Routing
– Switching
– VLANs
• Applications – Isn‟t this what we really care about?
– Email/Web were the beginning
– Web 2.0 / P2P is the now and the future
• Cloud Computing – Someone else may be running the
infrastructure that house your applications
• Where does Security fit in?
PLNOG - October 21, 2010 - Krakow, Poland
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What Are Security Goals?
• Controlling Data Access
• Controlling Network Access
• Ensuring Network Availability
• Protecting Information In Transit
• Preventing Intrusions
• Responding To Security Breaches
• Privacy? – Related but Orthogonal
PLNOG - October 21, 2010 - Krakow, Poland
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Causes of Security Related Issues
• Protocol error
– No one gets it right the first time
• Software bugs
– Is it a bug or feature ?
• Active attack
– Target control/management plane
– Target data plane
– More probable than you think !
• Configuration mistakes
– Most common form of problem
PLNOG - October 21, 2010 - Krakow, Poland
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Realities of Current Security Issues
The following data re Security Breaches is from:
http://www.verizonbusiness.com/resources/reports/rp_2010-data-breach-report_en_xg.pdf
PLNOG - October 21, 2010 - Krakow, Poland
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